| 单词 | coal bed |
| 释义 | Definition of coal bed in English:coal bednoun
OriginMid 17th century; earliest use found in Henry Power (c1626–1668), natural philosopher and physician. Definition of coal bed in US English:coal bednoun
OriginMid 17th century; earliest use found in Henry Power (c1626–1668), natural philosopher and physician. |
| 随便看 |
英语词典包含464360条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。